libtracefs: version 1.8.4
libtracefs: Support EXTRA_LIBS for utest
libtracefs: Use LIBTRACEFS_STATIC for utest
libtracefs utest: Only use online CPUs during tests
libtracefs: Fix memory leak in tracefs_tracing_dir_is_mounted()
libtracefs utest: Update kprobe test to use filename_mkdirat
libtracefs .gitignore: Only ignore patches/ at top level
libtracefs utest: Add tests for clearing kprobes with
tracefs_dynevent_destroy_all()
libtracefs: Fix tracefs_dynevent_destroy_all()